9867

Series Reactions in a CSTR with Time-Varying Input

Consider the following series reaction taking place in a CSTR (continuous stirred-tank reactor): . No chemical species (, , or ) are initially present in the reactor. The reactor is fed with only species at the time-varying feed rate .
The governing equations, obtained from material balances, are
,
,
,
where is time, is the reactor's residence time, and and are rate constants equal to and , respectively.
This Demonstration plots the concentration of all three species versus time for user-set values of . The blue, magenta, and brown curves correspond to species , , and , respectively.

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R. E. White and V. R. Subramanian, Computational Methods in Chemical Engineering with Maple, Berlin: Springer-Verlag, 2010.
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